SIPERNAT® represents a specific product range of precipitated silica, aluminum and calcium silicates. SIPERNAT® 120 is a silica with medium particle size and moderate absorption capacity. Description: SIPERNAT® 120 benefits as a carrier for special applications and as reinforcing filler in HTV, LSR and RTV-2C silicone rubber applications, where it enhances mechanical strength and stabilizes viscosity. Information provided by Evonik |